CVE-2015-7359: Ciphershed

High severity, CVSS 7.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The (1) IsVolumeAccessibleByCurrentUser and (2) MountDevice methods in Ntdriver.c in TrueCrypt 7.0, VeraCrypt before 1.15, and CipherShed, when running on Windows, do not check the impersonation level of impersonation tokens, which allows local users to impersonate a user at SecurityIdentify level and gain access to other users' mounted encrypted volumes.

Affected products

• Ciphershed Ciphershed: up to and including 0.7.5.0
• Idrix Veracrypt: up to and including 1.14
• Truecrypt Truecrypt: version 7.0 only

Published 2017-10-03. Last modified 2026-06-17.